Multiple choice

Which of the following organisms of phylum Mollusca have shells consisting of two lateral valves hinged together mid-dorsally?

a. Unio b. Mytilus c. Chiton d. Dentalium

  1. Only a and b

  2. Only b and c

  3. Only a and c

  4. Only b and d

  5. Only a and d
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This is the correct option. Unio and Mytilus are the organisms of phylum Mollusca that have shells consisting of two lateral valves hinged together mid-dorsally.

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